But do they do anything? Those black dots and the black rims that surround them are there for a reason, and it's not for defogging the glass. It has to do with how car windows are made.

In most cases, these dots are accentuated by black bands or stripes around the glass' periphery. One might think these dots ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (Image courtesy: Shutterstock) JOPLIN, Mo.

If you've ever driven a Honda automobile, you may have noticed two small triangles on either said of the windshield. Here's ...

At some point on a long drive, you or a persistent child have probably wondered what the black dots at the top of your windscreen are for. They appear to be on most vehicles but, like indicators ...

The design usually begins with a thick black enamel around the edges of the windscreen surrounded by dots which slowly disappear until the transparent glass is visible. The patterns are actually ...

Later on, when glass became the primary material ... What does this have to do with black spots? While the silver coating is meant to be airtight, age and wear can allow moisture to penetrate.

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. You may have noticed a lot of car ...